我得到幾下我的價值觀的黃線說:unkown property values
不明財產價值
<p:spinner min="1" max="50" value="#{printerSettings.p}" size ="1"> <!-- allows the user a choice of up to 50, this is more than enough for any situation, if needed this can be removed or raised -->
<p:ajax update="p"/>
</p:spinner>
<br></br>
<br></br>
<h:outputText value="Copies that will be printed: #{printerSettings.p}" id="p"/>
<br></br>
<br></br>
Double sided?:
<br></br>
<br></br>
Paper Size :
<h:selectOneMenu value="#{printerSettings.selectedPaper}">
<f:selectItems value="#{printerSettings.selectedPaperValue}" />
</h:selectOneMenu>
<br></br>
<br></br>
What time would you like the printer to print out your work ?, please enter the minutes after midnight :
<br></br>
<br></br>
<p:inputText id="timeToPrint" value="#{printerSettings.timeToPrint}" />
<br></br>
printerSettings.p
工作完全正常,他們是printerSettings.selectedPaper
,printerSettings.selectedPaperValue
和printerSettings.timeToPrint
那下面有這些黃線,奇怪的事情它是否從bean中獲取信息,因此我得到一個默認值爲2000的打印時間並且菜單顯示了三個選項,爲什麼這樣做?有什麼不對 ?
這裏是我的臉,配置
<managed-bean>
<managed-bean-name>printerSettings</managed-bean-name>
<managed-bean-class>richard.fileupload.PrinterSettings</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
</managed-bean>
這是我的豆
public class PrinterSettings {
//@NotNull(message = "Please enter a time to print ")
private int timeToPrint = 2000;
private int p = 1; //sets default value
private int time;
public String selectedPaper = "A4"; // defualts to A4
public int gettimeToPrint() {
return (timeToPrint);
}
public void settimeToPrint(int timeToPrint1) {
this.timeToPrint = timeToPrint1;
}
public int getP() {
return (p);
}
public void setP(int p1) {
this.p = p1;
}
public int gettime() {
return (time);
}
public void settime(int time) {
this.time = time;
}
public String getselectedPaper() {
return selectedPaper;
}
private static Map<String, Object> paperValue;
static {
paperValue = new LinkedHashMap<String, Object>();
paperValue.put("A5", "A5"); //right hand side is value, may need to change this later on to make compatable with the printers
paperValue.put("A4", "A4");
paperValue.put("A3", "A3");
}
public Map<String, Object> getselectedPaperValue() {
return paperValue;
}
}
我也注意到在bean我得到的paperValue.put位下一條黃線,說的用法在初始化過程中出現非靜態變量
你有沒有在你的項目中的所有必要的參考?通常你不能實例化靜態對象,所以你可能想檢查一下修改你的代碼。 – 2013-02-08 18:00:48
是的,我認爲我有,我從教程中使用MAP函數,它是奇怪的,他們從他們那裏得到的值,但仍然有這個錯誤 – user2054949 2013-02-08 18:07:22
「奇怪的是它從bean中獲取信息」 - 這是一個正確的行爲,如果你將例如'p:inputText'附加到一個bean的屬性上,它會默認顯示屬性值,你就可以修改它。 「他們下面有這些黃線」我不明白你的意思,但我看到你正在做不好的設計實踐,使用了很多'
'標籤。使用[http://www.jsftoolbox.com/documentation/help/12-TagReference/html/h_panelGrid.html |改爲'h:panelGrid']。 – 2013-02-08 18:08:34